实现网页不刷新显示ADC

ni110119120 · 发表于 2017-6-15 18:07:09

<!doctype html>
<html>
<head>
<title>文档</title>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head>
<body>
<header style="text-align: center">
<div align="center">文档1</div>
</header>
<table width="400" border="1" align="center">
<tr>
<td width="192">速度</td>
<td width="192">M/S</td>
</tr>
</table>
</body>
</html>
服务器是官方的例程这个能实现但是我想不刷新整个网页又做一个网页测试结果赋值出现问题请大家帮忙看看是什么情况
<!DOCTYPE html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<script type="text/javascript">
var min = "";
var ctl_id = "show";
onload = function() {
Refresh();
setInterval("Refresh();", 1);
}
function Refresh() {
document.getElementById(ctl_id).innerHTML = parseInt(min );
}
</script>
<body>
<div id="show"></div>

</body>
</html>